Home / 3,686.16-5,535.27-2,421.75

Finding the Fourth Proportional to 3,686.16, 5,535.27 and 2,421.75

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Solution

The fourth proportional to 3,686.16, 5,535.27 and 2,421.75 is: 3,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.16 : 5,535.27 = 2,421.75 : x
  2. Step 2: Convert to fraction form
    3,686.16/5,535.27 = 2,421.75/x
  3. Step 3: Cross multiply
    3,686.16x = 5,535.27 × 2,421.75
  4. Step 4: Simplify right side
    3,686.16x = 13,405,040.12
  5. Step 5: Solve for x
    x = 13,405,040.12/3,686.16
  6. Step 6: Final answer
    x = 3,636.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.